Stay updated on the latest in information security flaws. Explore news, insights, and analysis on vulnerabilities affecting digital safety.
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Background for this topic.
A flaw is a defect in software, hardware, system design, or configuration that causes unintended behavior. In security reporting, the term usually means a weakness that could violate confidentiality, integrity, or availability when reached through a particular interface, input, privilege, or operating condition. Not every flaw is exploitable, and exploitability depends on factors such as exposure, authentication requirements, affected versions, and available mitigations.
Flaws matter because they can create attack paths in applications, operating systems, devices, APIs, or administrative settings. Security teams assess their severity and exposure, prioritize remediation, apply patches or configuration changes, and use isolation or access controls when immediate fixes are unavailable. Code review, testing, vulnerability scanning, and monitoring can reveal flaws across the development and operational lifecycle. Reports should distinguish a confirmed vulnerability from a theoretical defect and provide enough technical detail to support validation without unnecessarily enabling exploitation.
A bug in the control board that connects peripheral devices in commonly used Dell laptops allowed malicious access all the way down to the firmware running on the device chip, new research finds.
CVE-2025-43300 is the latest zero-day bug used in cyberattacks against "targeted individuals," which could signify spyware or nation-state hacking.
Copilot Falls for Prompt Injection Yet AgainMicrosoft quietly fixed a flaw that allowed users to instruct embedded artificial intelligence model Copilot not to log its access corporate files. "If you work at an organization that used Copilot prior to Aug 18, there is a very real chance that your audit log is incomplete."
Settlement Is Latest Among Scores of Other MOVEit Lawsuits Still PendingNuance Communications, a Microsoft subsidiary, has agreed to pay $8.5 million to settle class action litigation filed after hackers exploited a zero-day flaw in Progress Software's MOVEit file transfer software in 2023, stealing data belonging to more than a dozen of Nuance's healthcare clients.
Russian state-backed hackers are exploiting a seven-year-old Cisco Smart Install vulnerability (CVE-2018-0171) in end-of-life devices, prompting warnings from the FBI and Cisco Talos
Another 'extremely sophisticated' exploit chewing at Cupertino's walled garden Apple has shipped emergency updates to fix an actively exploited zero-day in its ImageIO framework, warning that the flaw has already been abused in targeted attacks.…
The Federal Bureau of Investigation (FBI) has warned that hackers linked to Russia's Federal Security Service (FSB) are targeting critical infrastructure organizations in attacks exploiting a 7-year-old vulnerability in Cisco devices. [...]
Apple has released security updates to address a security flaw impacting iOS, iPadOS, and macOS that it said has come under active exploitation in the wild
Move along, nothing to see here Amazon has quietly fixed a couple of security issues in its coding agent: Amazon Q Developer VS Code extension. Attackers could use these vulns to leak secrets, including API keys from a developer's machine, and run arbitrary code.…
Hacking Was the Easy Part, Notifying McDonald's the Extremely Difficult BitA security researcher gained access to McDonald's global marketing portal by changing a single word in its URL, uncovering a slew of additional vulnerabilities. The hard part was notifying the burger giant about the flaws, says self-described ethical hacker "BobDaHacker."
In the past year, "Static Tundra," aka "Energetic Bear," has breached thousands of end-of-life Cisco devices unpatched against a 2018 flaw, in a campaign targeting enterprises and critical infrastructure.
Apple has released emergency updates to patch another zero-day vulnerability that was exploited in an "extremely sophisticated attack." [...]
A Russian state-sponsored cyber espionage group known as Static Tundra has been observed actively exploiting a seven-year-old security flaw in Cisco IOS and Cisco IOS XE software as a means to establish persistent access to target networks
Six major password managers with tens of millions of users are currently vulnerable to unpatched clickjacking flaws that could allow attackers to steal account credentials, 2FA codes, and credit card details. [...]
Exposure of APIs, sensitive data, and corporate documents are just some of the security issues that the purveyor of Big Macs was cooking up.
Burger slinger gets a McRibbing, reacts by firing staffer who helped A white-hat hacker has discovered a series of critical flaws in McDonald's staff and partner portals that allowed anyone to order free food online, get admin rights to the burger slinger's marketing materials, and could allow an attacker to get a corporate email account with which to conduct a little filet-o-phishing.…
Reconfigure local app settings via a 'simple' POST request A now-patched flaw in popular AI model runner Ollama allows drive-by attacks in which a miscreant uses a malicious website to remotely target people's personal computers, spy on their local chats, and even control the models the victim's app talks to, in extreme cases by serving poisoned models.…
Intruders hoped no one would notice their presence Criminals exploiting a critical vulnerability in open source Apache ActiveMQ middleware are fixing the flaw that allowed them access, after establishing persistence on Linux servers.…
Threat actors are exploiting a nearly two-year-old security flaw in Apache ActiveMQ to gain persistent access to cloud Linux systems and deploy malware called DripDropper
Attackers are wielding the sophisticated modular malware while exploiting CVE-2025-29824, a previously zero-day flaw in Windows Common Log File System (CLFS) that allows attackers to gain system-level privileges on compromised systems.